Stage Select – Sgt. Rock: On the Frontline (U) (GBC)

Stage Select – Sgt. Rock: On the Frontline (U) (GBC)

Stage Select
At the Title Screen, press Up, Down, Left, Right, Right, Left, Down, Up, Select.

Game Genie code for Sgt. Rock: On the Frontline (U):
183-41B-6EA
003-78B-6EB
Note: Only the second line of the code is absolutely necessary.

Game Genie code for Front Line: The Next Mission (J):
Stage Select Enabled
183-28B-6EA
003-46B-6EB
Note: Only the second line of the code is absolutely necessary.